71820320

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:155

約数の個数: 192

約数和(自身を含む): 206769024

約数和(自身を除く): 134948704

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 43, 44, 52, 55, 65, 73, 80, 86, 88, 104, 110, 130, 143, 146, 160, 172, 176, 208, 215, 220, 260, 286, 292, 344, 352, 365, 416, 430, 440, 473, 520, 559, 572, 584, 688, 715, 730, 803, 860, 880, 946, 949, 1040, 1118, 1144, 1168, 1376, 1430, 1460, 1606, 1720, 1760, 1892, 1898, 2080, 2236, 2288, 2336, 2365, 2795, 2860, 2920, 3139, 3212, 3440, 3784, 3796, 4015, 4472, 4576, 4730, 4745, 5590, 5720, 5840, 6149, 6278, 6424, 6880, 7568, 7592, 8030, 8944, 9460, 9490, 10439, 11180, 11440, 11680, 12298, 12556, 12848, 15136, 15184, 15695, 16060, 17888, 18920, 18980, 20878, 22360, 22880, 24596, 25112, 25696, 30368, 30745, 31390, 32120, 34529, 37840, 37960, 40807, 41756, 44720, 49192, 50224, 52195, 61490, 62780, 64240, 69058, 75680, 75920, 81614, 83512, 89440, 98384, 100448, 104390, 122980, 125560, 128480, 138116, 151840, 163228, 167024, 172645, 196768, 204035, 208780, 245960, 251120, 276232, 326456, 334048, 345290, 408070, 417560, 448877, 491920, 502240, 552464, 652912, 690580, 816140, 835120, 897754, 983840, 1104928, 1305824, 1381160, 1632280, 1670240, 1795508, 2244385, 2762320, 3264560, 3591016, 4488770, 5524640, 6529120, 7182032, 8977540, 14364064, 17955080, 35910160, 71820320]

約数ペア:

[(1, 71820320), (2, 35910160), (4, 17955080), (5, 14364064), (8, 8977540), (10, 7182032), (11, 6529120), (13, 5524640), (16, 4488770), (20, 3591016), (22, 3264560), (26, 2762320), (32, 2244385), (40, 1795508), (43, 1670240), (44, 1632280), (52, 1381160), (55, 1305824), (65, 1104928), (73, 983840), (80, 897754), (86, 835120), (88, 816140), (104, 690580), (110, 652912), (130, 552464), (143, 502240), (146, 491920), (160, 448877), (172, 417560), (176, 408070), (208, 345290), (215, 334048), (220, 326456), (260, 276232), (286, 251120), (292, 245960), (344, 208780), (352, 204035), (365, 196768), (416, 172645), (430, 167024), (440, 163228), (473, 151840), (520, 138116), (559, 128480), (572, 125560), (584, 122980), (688, 104390), (715, 100448), (730, 98384), (803, 89440), (860, 83512), (880, 81614), (946, 75920), (949, 75680), (1040, 69058), (1118, 64240), (1144, 62780), (1168, 61490), (1376, 52195), (1430, 50224), (1460, 49192), (1606, 44720), (1720, 41756), (1760, 40807), (1892, 37960), (1898, 37840), (2080, 34529), (2236, 32120), (2288, 31390), (2336, 30745), (2365, 30368), (2795, 25696), (2860, 25112), (2920, 24596), (3139, 22880), (3212, 22360), (3440, 20878), (3784, 18980), (3796, 18920), (4015, 17888), (4472, 16060), (4576, 15695), (4730, 15184), (4745, 15136), (5590, 12848), (5720, 12556), (5840, 12298), (6149, 11680), (6278, 11440), (6424, 11180), (6880, 10439), (7568, 9490), (7592, 9460), (8030, 8944)]